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7 June, 20:46

When number is added to the numerator pf 12/13 and subtracted from the denominator, the new fraction is equal to 3/2. find the number

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  1. 7 June, 20:56
    0
    (12+x) / (13-x) = 3/2

    2 (12+x) = 3 (13-x)

    24+2x=39-3x

    5x=15

    therefore x=3

    Test it out

    (12+3) / (13-3) = 15/10 = 3/2
  2. 7 June, 21:16
    0
    1 1/2 I believe is your answer. I really don't know if this is correct or not. Sorry if I am wrong.
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